Telephone Dialers T200+VT1000 Headset.

T200 specifications:

1. Receiving volume control
2. Manual/Auto Phone picking up.
3. Mute switch for temporary microphone cut
4. Pause/Flash/Repeat dial function
5. Extension jack to another headset
6. Recording jack for External Recorder

VT1000 Headset specifications:

1. The flexible goose neck boom arm with exact MIC position.
2. Light design makes it comfortable to wear 
3. The cost effective headset solution
4. Noise canceling Mic
5. Active ProtectionTM safeguards the user from acoustic burst
6. Option for plug RJ09 or 2xDC3.5 
7. Option for Volume Adjustment and MIC Mute functions
8. Option for binaural style